77% (2009)

59% (2013)

68% (2008)

62% (1987)

77% (1947)

46% (2015)

72% (2010)

72% (2015)

70% (2002)

78% (2014)

60% (1999)

73% (2014)

20% (2020)

68% (2006)

60% (2017)

66% (2007)

80% (2014)

88% (2016)

60% (2006)

64% (2009)